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| author | Joerg Roedel | 2015-07-21 15:45:19 +0200 |
|---|---|---|
| committer | Joerg Roedel | 2015-08-12 16:23:34 +0200 |
| commit | af1089ce388b2d14c8331b96567b7e3b7eb5f35b (patch) | |
| tree | fde72475958063eba44e960fa72c7b97d4e5dccf /drivers/iommu | |
| parent | iommu/vt-d: Don't pre-allocate domain ids for si_domain (diff) | |
| download | kernel-qcow2-linux-af1089ce388b2d14c8331b96567b7e3b7eb5f35b.tar.gz kernel-qcow2-linux-af1089ce388b2d14c8331b96567b7e3b7eb5f35b.tar.xz kernel-qcow2-linux-af1089ce388b2d14c8331b96567b7e3b7eb5f35b.zip | |
iommu/vt-d: Kill dmar_domain->id
This field is now obsolete because all places use the
per-iommu domain-ids. Kill the remaining uses of this field
and remove it.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 2a64c3fe49db..91f0c3d5a6ac 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -374,7 +374,6 @@ static int hw_pass_through = 1; #define DOMAIN_FLAG_STATIC_IDENTITY (1 << 1) struct dmar_domain { - int id; /* domain id */ int nid; /* node id */ DECLARE_BITMAP(iommu_bmp, DMAR_UNITS_SUPPORTED); /* bitmap of iommus this domain uses*/ @@ -1655,8 +1654,6 @@ static void free_dmar_iommu(struct intel_iommu *iommu) static struct dmar_domain *alloc_domain(int flags) { - /* domain id for virtual machine, it won't be set in context */ - static atomic_t vm_domid = ATOMIC_INIT(0); struct dmar_domain *domain; domain = alloc_domain_mem(); @@ -1668,8 +1665,6 @@ static struct dmar_domain *alloc_domain(int flags) domain->flags = flags; spin_lock_init(&domain->iommu_lock); INIT_LIST_HEAD(&domain->devices); - if (flags & DOMAIN_FLAG_VIRTUAL_MACHINE) - domain->id = atomic_inc_return(&vm_domid); return domain; } @@ -2392,8 +2387,7 @@ static struct dmar_domain *get_domain_for_dev(struct device *dev, int gaw) domain = alloc_domain(0); if (!domain) return NULL; - domain->id = iommu_attach_domain(domain, iommu); - if (domain->id < 0) { + if (iommu_attach_domain(domain, iommu) < 0) { free_domain_mem(domain); return NULL; } @@ -2446,8 +2440,7 @@ static int iommu_domain_identity_map(struct dmar_domain *domain, return -ENOMEM; } - pr_debug("Mapping reserved region %llx-%llx for domain %d\n", - start, end, domain->id); + pr_debug("Mapping reserved region %llx-%llx\n", start, end); /* * RMRR range might have overlap with physical memory range, * clear it first |